You should try Torrent for this one, it will be faster. It’s still experimental but I believe it works pretty well and it just needs more testing to become the default.
Matei On Mar 12, 2014, at 1:12 PM, Aureliano Buendia <buendia...@gmail.com> wrote: > Is TorrentBroadcastFactory out of beta? IS it preferred over > HttpBroadcastFactory for large broadcasts? > > What are the benefits of HttpBroadcastFactory as the default factory? > > > On Wed, Mar 12, 2014 at 7:09 PM, Stephen Boesch <java...@gmail.com> wrote: > Hi Josh, > So then 2^31 (2.2Bilion) * 2^6 (length of double) = 128GB would be max > array byte length with Doubles? > > > 2014-03-12 11:30 GMT-07:00 Josh Marcus <jmar...@meetup.com>: > > Aureliano, > > Just to answer your second question (unrelated to Spark), arrays in java and > scala can't be larger than the maximum value of an Integer > (Integer.MAX_VALUE), which means that arrays are limited to about 2.2 billion > elements. > > --j > > > > On Wed, Mar 12, 2014 at 1:08 PM, Aureliano Buendia <buendia...@gmail.com> > wrote: > Hi, > > I asked a similar question a while ago, didn't get any answers. > > I'd like to share a 10 gb double array between 50 to 100 workers. The > physical memory of workers is over 40 gb, so it can fit in each memory. The > reason I'm sharing this array is that a cartesian operation is applied to > this array, and I want to avoid network shuffling. > > 1. Is Spark broadcast built for pushing variables of gb size? Does it need > special configurations (eg akka config, etc) to work under this condition? > > 2. (Not directly related to spark) Is the an upper limit for scala/java > arrays other than the physical memory? Do they stop working when the array > elements count exceeds a certain number? > > >
